A Delaware & Hudson PA, heading up a Boston-Framingham commuter train while on lease to the MBTA, smokes it up at CP 11 in Weston, MA, on the former Boston & Albany.
The 70's and 80's were a transition period for the MBTA characterized by an eclectic mix of equipment including Budd RDC's, ex-New Haven stainless steel coaches, and a mix of motive power acquired from various railroads.